Individuals, […], labor unions and private organizations are continuing low-profile activities to provide support for those injured workers. Under the workers’ accident compensation insurance, even if a victim of an industrial accident is working here illegally, compensatory payments are made.
However, many employers refuse to help their illegal employees apply for workers’ compensation. And many illegal workers are afraid of applying out of fears their status will be revealed.
…
“Among employers who take on illegal immigrants, those who try to conceal industrial accidents are probably in the majority,” [Hiroshi Nakajima, of the foreign workers’ section of the Tokyo-based Zentoitsu Workers Union, which has more than 3,000 foreign members] said.
http://www.asahi.com/english/Herald-asahi/TKY200609290164.html